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Define (i) mineral (ii) ore. Aluminium...

Define (i) mineral (ii) ore.
Aluminium occurs in combined state whereas gold is found in free state in nature. Why ?

Text Solution

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The elements or compounds which occur naturally in the earth.s crust are known as minerals.
The minerals from which a particular metal can be profitable extracted is called ore.
Gold is very less reactive whereas aluminium is a more reactive element. Therefore, aluminium reacts with other elements or compounds more than gold. Thus, aluminium occurs in combined state while gold occurs in free state.
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